Malicious PDF — malware analysis report

Static analysis result for SHA-256 94684a36d99b81ac…

MALICIOUS

PDF

44.0 KB Created: 2020-03-16 12:52:11 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2020-09-24
MD5: d461885a4c6b076f61b05050110ba38d SHA-1: 6317cb72a6fc2c4b701f5ab61998b4a55daf1aa9 SHA-256: 94684a36d99b81ac6f21e4e3afeffff76045b0c0e81a43ac10ffade0218e18b6
136 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, a technique often used for SEO manipulation or to distribute further malicious content. The heuristic 'SE_PAYMENT_REDIRECT_LURE' suggests a potential business-email-compromise pattern, aiming to trick users into believing there are changes to payment instructions. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://monto.com.mx/uploads/1/3/0/9/130968985/130968985.html#smartwatch+xiaomi+amazfit+bip+manual PDF link annotation
    • http://mail.bellyacresrvpark.com/uploads/1/3/0/2/130288830/ragodaramigatigasexe.pdfIn PDF document text
    • http://mx.stthomasbythesea.org/uploads/1/3/0/5/130551303/6825104.pdfIn PDF document text
    • http://www.spiralhtx.com/uploads/1/3/0/6/130621608/nuxoxubuk.pdfIn PDF document text
    • http://teamstreaming.net/uploads/1/3/0/4/130488273/1bba2bf0aba.pdfIn PDF document text
    • http://webdisk.shabuworcester.com/uploads/1/3/0/2/130271137/9794923.pdfIn PDF document text
    • http://muktishakti.com/uploads/1/3/0/5/130590596/zalemupol.pdfIn PDF document text
    • http://www.ecoledesamba.com/uploads/1/3/0/4/130488195/f3af658.pdfIn PDF document text
    • http://myerstownboyscouts.com/uploads/1/3/0/3/130379921/sokuwawekalol.pdfIn PDF document text
    • http://crisptosc.com/uploads/1/3/0/2/130273980/a649f.pdfIn PDF document text
    • http://www.cleaner-america.com/uploads/1/3/0/2/130273790/xajuborifema-fitebum.pdfIn PDF document text
    • http://clarissamosley.com.au/uploads/1/3/0/5/130543798/tusirujinolom-ramubida-sunivi.pdfIn PDF document text
    • http://susansgardenminipigs.com/uploads/1/3/0/6/130620607/wibunisa_pomupajepor_xafus.pdfIn PDF document text
    • http://malibusalsa.com/uploads/1/3/0/7/130740627/lizixoxenogidesisoji.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000077dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77DD 8600 bytes
SHA-256: d47db0dab0a9f2b045a0736363c04418e2b4d21bf068cedbd20a23b24ae9bacc
font_01_sfnt_off0000992b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x992B 2616 bytes
SHA-256: d907c570f1f8f2d62f38d7529dbf77de46ca3a1917ec53aca7a78bae59874b04

Open this report in the interactive analyzer, or submit your own file for analysis.